| 1 | Biology | 52 | 8.9K | 297 | 160 |
| 2 | Medicine | 173 | 8.3K | 274 | 257 |
| 3 | Science | 97 | 6.9K | 244 | 208 |
| 4 | Virology | 24 | 5.9K | 147 | 54 |
| 5 | Physics | 29 | 5.3K | 219 | 183 |
| 6 | Cell Biology | 15 | 4.9K | 397 | 103 |
| 7 | Cytology | 15 | 4.9K | 420 | 107 |
| 8 | Liver diseases | 36 | 3.8K | 100 | 78 |
| 9 | Research | 95 | 3.5K | 258 | 240 |
| 10 | Molecular Biology | 42 | 3.3K | 427 | 276 |
| 11 | Natural history | 3 | 3.1K | 336 | 207 |
| 12 | Nutrition | 54 | 3.1K | 132 | 98 |
| 13 | Critical Care Medicine | 53 | 2.9K | 85 | 120 |
| 14 | Critical Care | 49 | 2.9K | 84 | 120 |
| 15 | Chemistry | 34 | 2.9K | 249 | 169 |
| 16 | Oncology | 24 | 2.9K | 214 | 106 |
| 17 | free radicals | 4 | 2.3K | 236 | 22 |
| 18 | Oxidation-reduction | 3 | 2.1K | 166 | 10 |
| 19 | Obstetrics | 32 | 2.1K | 245 | 112 |
| 20 | Biochemistry | 74 | 2.1K | 308 | 340 |
| 21 | Microbiology | 48 | 2.0K | 231 | 239 |
| 22 | Metabolism | 34 | 2.0K | 244 | 232 |
| 23 | Cancer | 41 | 1.9K | 261 | 243 |
| 24 | Biomedical Engineering | 37 | 1.9K | 125 | 58 |
| 25 | Oxidative stress | 1 | 1.9K | 314 | 12 |
| 26 | Human genetics | 12 | 1.9K | 338 | 367 |
| 27 | Clinical Chemistry | 85 | 1.8K | 36 | 78 |
| 28 | Aging | 38 | 1.8K | 92 | 61 |
| 29 | Neurology | 74 | 1.7K | 273 | 406 |
| 30 | Hematology | 54 | 1.7K | 251 | 283 |
| 31 | Metabolic diseases | 23 | 1.6K | 272 | 250 |
| 32 | Diet | 27 | 1.6K | 80 | 67 |
| 33 | Artificial Organs | 15 | 1.5K | 50 | 10 |
| 34 | Biocompatible Materials | 16 | 1.4K | 210 | 117 |
| 35 | Endocrinology | 27 | 1.4K | 269 | 281 |
| 36 | Epidemiology | 29 | 1.2K | 163 | 139 |
| 36 | Clinical Psychology | 2 | 1.2K | 286 | 24 |
| 38 | Biophysics | 23 | 1.2K | 419 | 262 |
| 39 | Psychiatry | 47 | 1.2K | 217 | 319 |
| 40 | Immunity | 3 | 995 | 480 | 173 |
| 41 | Allergy | 11 | 988 | 184 | 130 |
| 42 | Public Health | 27 | 957 | 239 | 262 |
| 43 | Parenteral nutrition | 6 | 919 | 261 | 107 |
| 44 | Pharmacology | 28 | 917 | 459 | 406 |
| 45 | Biotechnology | 6 | 902 | 411 | 154 |
| 46 | Enteral nutrition | 4 | 874 | 253 | 79 |
| 47 | Rheumatology | 22 | 867 | 104 | 125 |
| 48 | Nanotechnology | 4 | 856 | 389 | 145 |
| 49 | Medical Oncology | 17 | 823 | 249 | 202 |
| 50 | Vaccines | 14 | 797 | 119 | 71 |
| 51 | Ophthalmology | 22 | 791 | 136 | 117 |
| 52 | Leukemia | 13 | 774 | 171 | 160 |
| 53 | Combinatorial chemistry | 3 | 757 | 35 | 6 |
| 53 | miniaturization | 3 | 757 | 92 | 19 |
| 55 | Diagnostic microbiology | 14 | 740 | 135 | 168 |
| 56 | medical education | 43 | 737 | 37 | 56 |
| 57 | Radiobiology | 14 | 714 | 165 | 147 |
| 58 | Diabetes | 16 | 713 | 278 | 314 |
| 59 | Homeostasis | 2 | 698 | 117 | 90 |
| 59 | Cell metabolism | 2 | 698 | 159 | 94 |
| 61 | Pharmaceutical Chemistry | 30 | 696 | 82 | 157 |
| 62 | Genomics | 18 | 682 | 183 | 162 |
| 63 | Oncogenes | 7 | 659 | 185 | 144 |
| 64 | Stem cells | 9 | 656 | 217 | 127 |
| 65 | Pathology | 22 | 639 | 234 | 296 |
| 66 | Bone diseases | 3 | 638 | 142 | 51 |
| 67 | rehabilitation | 18 | 635 | 154 | 148 |
| 68 | Health | 5 | 631 | 422 | 160 |
| 69 | Surgery | 36 | 623 | 245 | 496 |
| 70 | Geriatrics | 39 | 616 | 118 | 220 |
| 71 | Dermatology | 49 | 615 | 85 | 189 |
| 72 | Therapeutics | 13 | 603 | 166 | 144 |
| 73 | Diabetes mellitus | 7 | 596 | 449 | 337 |
| 74 | Obesity | 27 | 582 | 104 | 171 |
| 75 | Quality of life | 15 | 574 | 54 | 71 |
| 76 | Medical Microbiology | 22 | 565 | 174 | 275 |
| 77 | Alzheimer's disease | 22 | 550 | 88 | 101 |
| 78 | Medical genetics | 20 | 541 | 369 | 548 |
| 79 | Urology | 27 | 537 | 202 | 285 |
| 80 | Dementia | 21 | 532 | 80 | 80 |
| 81 | Spine | 12 | 525 | 97 | 109 |
| 82 | Orthopedics | 19 | 510 | 225 | 235 |
| 83 | drug therapy | 18 | 503 | 275 | 273 |
| 84 | Cell differentiation | 6 | 501 | 243 | 194 |
| 85 | Information Systems | 7 | 493 | 30 | 4 |
| 85 | System analysis | 7 | 493 | 24 | 3 |
| 87 | Medical innovations | 4 | 489 | 143 | 137 |
| 87 | drug development | 4 | 489 | 143 | 135 |
| 89 | Sexual health | 6 | 482 | 119 | 48 |
| 90 | Pharmacogenetics | 13 | 476 | 52 | 60 |
| 91 | Cell death | 3 | 473 | 367 | 194 |
| 92 | Geriatric Psychiatry | 10 | 471 | 74 | 50 |
| 93 | Medical Physics | 8 | 469 | 262 | 143 |
| 94 | Bioethics | 8 | 463 | 49 | 11 |
| 95 | Tropical Medicine | 22 | 451 | 50 | 58 |
| 96 | Genetic engineering | 4 | 449 | 350 | 132 |
| 97 | Engineering | 7 | 442 | 119 | 55 |
| 97 | Electronics | 7 | 442 | 46 | 31 |
| 99 | Diagnostic Imaging | 13 | 437 | 223 | 213 |
| 100 | United States | 16 | 435 | 121 | 159 |
| 101 | Digestive system diseases | 14 | 427 | 119 | 112 |
| 102 | Genetic regulation | 2 | 426 | 205 | 98 |
| 102 | cloning | 2 | 426 | 162 | 78 |
| 104 | Pediatrics | 17 | 421 | 387 | 501 |
| 105 | viruses | 5 | 419 | 146 | 113 |
| 106 | Long-Term Care | 9 | 393 | 40 | 67 |
| 106 | Long-term care facilities | 9 | 393 | 40 | 67 |
| 108 | Psychology | 13 | 392 | 235 | 239 |
| 109 | Cardiovascular system | 14 | 391 | 249 | 492 |
| 110 | Contraception | 14 | 383 | 22 | 23 |
| 111 | Clinical Biochemistry | 21 | 381 | 77 | 140 |
| 112 | Mental Disorders | 13 | 373 | 340 | 417 |
| 113 | Neurosurgery | 16 | 371 | 103 | 174 |
| 114 | infection | 14 | 358 | 206 | 253 |
| 115 | Infertility | 9 | 355 | 146 | 193 |
| 115 | fertility | 9 | 355 | 148 | 195 |
| 117 | Infections | 11 | 343 | 153 | 201 |
| 118 | Psychosomatic Medicine | 3 | 333 | 237 | 105 |
| 119 | Parasitic Diseases | 10 | 330 | 142 | 188 |
| 120 | Health Services Administration | 1 | 329 | 245 | 31 |
| 120 | health workforce | 1 | 329 | 24 | 5 |
| 122 | Analytical Chemistry | 6 | 321 | 264 | 167 |
| 123 | Hypertension | 12 | 318 | 275 | 528 |
| 124 | Herbal medicine | 1 | 314 | 290 | 51 |
| 124 | Phytotherapy | 1 | 314 | 77 | 7 |
| 126 | Emergency Medicine | 17 | 311 | 204 | 252 |
| 127 | Sleep Disorders | 9 | 308 | 241 | 215 |
| 127 | Mental illness | 9 | 308 | 256 | 313 |
| 127 | Sleep | 9 | 308 | 232 | 215 |
| 130 | Lipids | 2 | 304 | 331 | 130 |
| 131 | Chemical analysis | 3 | 294 | 48 | 15 |
| 132 | Education | 16 | 293 | 21 | 37 |
| 133 | Reproduction | 14 | 292 | 228 | 299 |
| 134 | Immunology | 7 | 271 | 627 | 615 |
| 135 | arthritis | 8 | 259 | 295 | 410 |
| 136 | Asia | 18 | 256 | 62 | 68 |
| 137 | Nervous system | 11 | 247 | 299 | 477 |
| 138 | Magnetic Resonance Imaging | 6 | 241 | 93 | 69 |
| 139 | Andrology | 13 | 233 | 39 | 68 |
| 140 | Medical Imaging | 5 | 231 | 92 | 65 |
| 141 | Chemotherapy | 10 | 230 | 246 | 275 |
| 142 | drug resistance | 12 | 224 | 33 | 83 |
| 143 | Signal Transduction | 2 | 219 | 391 | 250 |
| 143 | Antioxidants | 2 | 219 | 137 | 84 |
| 143 | Transplantation | 16 | 219 | 161 | 321 |
| 146 | Child | 13 | 216 | 305 | 340 |
| 147 | Spectrum analysis | 3 | 214 | 205 | 79 |
| 148 | Genetic therapy | 7 | 209 | 172 | 229 |
| 149 | drugs | 7 | 208 | 278 | 254 |
| 150 | Host-parasite interactions | 2 | 205 | 160 | 166 |
| 150 | Virulence | 2 | 205 | 192 | 142 |
| 152 | Information Science | 1 | 202 | 226 | 41 |
| 153 | Physiology | 9 | 201 | 500 | 586 |
| 154 | Antibacterial agents | 6 | 198 | 127 | 150 |
| 155 | Immunotherapy | 6 | 191 | 398 | 417 |
| 156 | Adolescent | 11 | 190 | 194 | 206 |
| 157 | Thrombosis | 9 | 185 | 185 | 261 |
| 158 | Parasitology | 2 | 184 | 212 | 87 |
| 159 | Computer Vision | 1 | 180 | 167 | 82 |
| 159 | Image Processing | 1 | 180 | 272 | 89 |
| 159 | Primary health care | 9 | 180 | 165 | 197 |
| 162 | Health Services Research | 9 | 175 | 149 | 202 |
| 163 | Orthopedic Surgery | 7 | 171 | 213 | 232 |
| 163 | Environmental Health | 7 | 171 | 293 | 377 |
| 165 | Gerontology | 9 | 170 | 116 | 151 |
| 165 | Cardiovascular diseases | 8 | 170 | 414 | 456 |
| 167 | Environmental Toxicology | 2 | 165 | 319 | 207 |
| 167 | Photonics | 2 | 165 | 85 | 19 |
| 167 | histological techniques | 2 | 165 | 228 | 149 |
| 170 | Clinical Pharmacology | 6 | 160 | 309 | 307 |
| 170 | liver | 5 | 160 | 58 | 44 |
| 172 | Health Education | 9 | 159 | 104 | 160 |
| 173 | Geriatric Oncology | 9 | 154 | 58 | 124 |
| 173 | Randomized Controlled Trials | 5 | 154 | 327 | 210 |
| 175 | Radiology | 7 | 152 | 284 | 244 |
| 176 | Pediatric Neurology | 2 | 151 | 543 | 510 |
| 177 | Mechatronics | 2 | 149 | 10 | 5 |
| 178 | Public Policy | 5 | 147 | 76 | 77 |
| 179 | Bioengineering | 3 | 145 | 463 | 375 |
| 180 | Pharmacokinetics | 1 | 144 | 161 | 43 |
| 180 | Australia | 10 | 144 | 117 | 159 |
| 182 | Infection control | 9 | 142 | 9 | 47 |
| 183 | Visual Perception | 5 | 141 | 217 | 244 |
| 183 | Memory | 5 | 141 | 222 | 253 |
| 183 | Attention | 5 | 141 | 232 | 260 |
| 183 | Perception | 5 | 141 | 218 | 248 |
| 187 | Patient education | 6 | 136 | 69 | 122 |
| 187 | counseling | 6 | 136 | 98 | 138 |
| 189 | Mycology | 5 | 135 | 89 | 101 |
| 189 | biochemical markers | 5 | 135 | 110 | 97 |
| 191 | Biosensors | 2 | 134 | 169 | 135 |
| 191 | Bioelectronics | 2 | 134 | 143 | 118 |
| 193 | Genetics | 7 | 132 | 434 | 816 |
| 193 | Kidney diseases | 6 | 132 | 267 | 359 |
| 195 | Medical Technology | 4 | 131 | 347 | 245 |
| 195 | mycoses | 4 | 131 | 86 | 166 |
| 197 | Community Psychiatry | 4 | 130 | 176 | 161 |
| 197 | Pharmacogenomics | 3 | 130 | 49 | 55 |
| 199 | Artificial Intelligence | 1 | 128 | 228 | 77 |
| 200 | Reproductive health | 3 | 126 | 174 | 131 |
| 201 | Optics | 2 | 125 | 217 | 60 |
| 201 | Biomechanics | 4 | 125 | 124 | 141 |
| 203 | Automation | 2 | 123 | 11 | 6 |
| 204 | Nursing | 7 | 122 | 193 | 208 |
| 205 | Proteomics | 3 | 121 | 149 | 152 |
| 206 | Fertilization | 3 | 120 | 4 | 4 |
| 206 | gametes | 3 | 120 | 4 | 4 |
| 208 | Computer Science | 5 | 118 | 58 | 67 |
| 208 | Autism | 3 | 118 | 86 | 122 |
| 210 | drug abuse | 4 | 114 | 62 | 69 |
| 211 | Pharmacy | 4 | 113 | 209 | 186 |
| 211 | harm reduction | 3 | 113 | 19 | 21 |
| 213 | Europe | 10 | 112 | 250 | 458 |
| 214 | embryo transfer | 9 | 111 | 51 | 111 |
| 215 | Health Policy | 5 | 110 | 257 | 326 |
| 215 | Public opinion | 1 | 110 | 56 | 23 |
| 217 | Environmental pollutants | 1 | 108 | 369 | 161 |
| 217 | drug toxicity | 1 | 108 | 70 | 15 |
| 219 | Evolution | 2 | 107 | 45 | 40 |
| 220 | Asthma | 4 | 105 | 181 | 180 |
| 221 | Clinical Immunology | 4 | 102 | 367 | 435 |
| 222 | Psychopharmacology | 7 | 101 | 207 | 434 |
| 223 | Embryology | 9 | 100 | 105 | 317 |
| 223 | Hormones | 4 | 100 | 257 | 317 |
| 225 | Nanostructures | 1 | 99 | 295 | 156 |
| 226 | preimplantation genetic diagnosis | 6 | 97 | 75 | 118 |
| 227 | monitoring | 1 | 95 | 187 | 50 |
| 228 | Nephrology | 1 | 94 | 401 | 306 |
| 228 | X-rays | 5 | 94 | 180 | 169 |
| 230 | Neurochemistry | 1 | 93 | 738 | 529 |
| 230 | Mental Health | 4 | 93 | 233 | 221 |
| 232 | Robotics | 2 | 92 | 37 | 20 |
| 233 | Carcinogenesis | 2 | 91 | 300 | 269 |
| 233 | Psychiatric Epidemiology | 3 | 91 | 85 | 140 |
| 235 | Vaccination | 1 | 90 | 85 | 36 |
| 236 | Toxicology | 4 | 88 | 684 | 730 |
| 237 | Emergency Medical Services | 7 | 87 | 105 | 167 |
| 238 | Electrophoresis | 4 | 86 | 129 | 150 |
| 239 | Biomarkers | 4 | 85 | 89 | 101 |
| 239 | older people | 7 | 85 | 102 | 182 |
| 241 | Pediatric Dermatology | 5 | 83 | 111 | 120 |
| 241 | Adolescent Medicine | 2 | 83 | 224 | 290 |
| 241 | Respiration | 3 | 83 | 491 | 505 |
| 244 | calcification | 2 | 81 | 199 | 180 |
| 245 | Physical Therapy | 3 | 80 | 351 | 427 |
| 246 | Respiratory Infections | 3 | 79 | 94 | 100 |
| 246 | Influenza | 3 | 79 | 36 | 59 |
| 248 | Developmental Biology | 3 | 77 | 230 | 369 |
| 249 | Polymers | 2 | 76 | 228 | 166 |
| 249 | Elderly | 5 | 76 | 112 | 134 |
| 251 | Chromatography | 2 | 75 | 202 | 154 |
| 251 | Chromatographic analysis | 2 | 75 | 284 | 178 |
| 253 | Androgens | 2 | 74 | 50 | 68 |
| 254 | risk factors | 4 | 73 | 179 | 245 |
| 254 | nucleic acids | 1 | 73 | 400 | 297 |
| 254 | Bones | 3 | 73 | 217 | 327 |
| 257 | Biopharmaceutics | 2 | 72 | 137 | 163 |
| 258 | Diagnosis | 4 | 71 | 84 | 84 |
| 259 | Environment | 2 | 70 | 409 | 505 |
| 259 | disabilities | 3 | 70 | 164 | 177 |
| 261 | blood transfusion | 5 | 68 | 185 | 262 |
| 262 | Neurobiology | 1 | 67 | 564 | 487 |
| 263 | Occupational Therapy | 6 | 65 | 80 | 145 |
| 263 | Systems Biology | 2 | 65 | 283 | 263 |
| 263 | Osteoporosis | 2 | 65 | 134 | 120 |
| 266 | Machine Learning | 1 | 64 | 2 | 2 |
| 266 | Mental Health Services | 3 | 64 | 297 | 265 |
| 266 | breastfeeding | 1 | 64 | 165 | 89 |
| 266 | anesthesia | 3 | 64 | 269 | 192 |
| 270 | cardiac catheterization | 5 | 61 | 324 | 450 |
| 271 | Psychophysiology | 3 | 60 | 393 | 650 |
| 272 | Radiography | 2 | 58 | 257 | 292 |
| 272 | Plant tissue culture | 1 | 58 | 6 | 4 |
| 272 | Child psychology | 4 | 58 | 158 | 300 |
| 272 | Plant cell culture | 1 | 58 | 4 | 3 |
| 276 | Pediatric Nursing | 2 | 57 | 152 | 124 |
| 276 | Obstetric Nursing | 2 | 57 | 107 | 76 |
| 276 | Raman spectroscopy | 1 | 57 | 23 | 27 |
| 279 | Radiologic Technology | 2 | 56 | 53 | 33 |
| 279 | Interventional Radiology | 2 | 56 | 53 | 33 |
| 279 | Angst | 1 | 56 | 5 | 8 |
| 279 | Microfabrication | 1 | 56 | 27 | 28 |
| 279 | Anxiety Disorders | 1 | 56 | 146 | 158 |
| 279 | Child Development | 8 | 56 | 219 | 571 |
| 279 | Anxiety | 1 | 56 | 147 | 158 |
| 279 | Interventional Radiography | 2 | 56 | 53 | 33 |
| 279 | Endoscopic Surgery | 2 | 56 | 53 | 33 |
| 279 | Radio waves | 2 | 56 | 4 | 8 |
| 279 | Radio | 2 | 56 | 31 | 50 |
| 290 | Neuropsychiatry | 1 | 54 | 407 | 328 |
| 291 | carcinogens | 1 | 53 | 362 | 350 |
| 291 | mutagens | 1 | 53 | 271 | 279 |
| 291 | Behavior | 4 | 53 | 425 | 763 |
| 294 | Adolescent Psychology | 1 | 52 | 176 | 138 |
| 294 | Electrophysiology | 3 | 52 | 450 | 465 |
| 294 | children | 1 | 52 | 100 | 47 |
| 297 | Materials Science | 2 | 51 | 286 | 319 |
| 297 | Sports Medicine | 3 | 51 | 465 | 547 |
| 297 | Materials | 2 | 51 | 388 | 432 |
| 300 | Neonatology | 4 | 50 | 121 | 244 |
| 300 | disease susceptibility | 1 | 50 | 30 | 32 |
| 300 | symptoms | 1 | 50 | 30 | 32 |
| 303 | Computational Biology | 1 | 49 | 357 | 279 |
| 303 | software | 4 | 49 | 90 | 194 |
| 305 | Otolaryngology | 1 | 48 | 407 | 280 |
| 306 | Food | 4 | 47 | 218 | 421 |
| 307 | disease vectors | 1 | 46 | 106 | 86 |
| 307 | Parasites | 1 | 46 | 177 | 145 |
| 309 | Molecular Genetics | 4 | 45 | 72 | 179 |
| 309 | embryonic development | 4 | 45 | 18 | 69 |
| 309 | Optical materials | 1 | 45 | 182 | 200 |
| 309 | gastrointestinal tract | 2 | 45 | 88 | 181 |
| 313 | sports injuries | 2 | 44 | 193 | 171 |
| 314 | air quality management | 2 | 43 | 24 | 41 |
| 314 | indoor air pollution | 2 | 43 | 23 | 43 |
| 314 | Ventilation | 2 | 43 | 23 | 44 |
| 314 | Sick building syndrome | 2 | 43 | 23 | 43 |
| 318 | Microorganisms | 2 | 41 | 97 | 208 |
| 318 | transport vesicles | 1 | 41 | 89 | 126 |
| 318 | Brain damage | 3 | 41 | 99 | 243 |
| 321 | Drug delivery systems | 1 | 40 | 361 | 360 |
| 322 | Control Theory | 1 | 39 | 14 | 10 |
| 322 | pain management | 10 | 39 | 52 | 280 |
| 322 | pain | 10 | 39 | 186 | 711 |
| 322 | Psychiatric hospitals | 1 | 39 | 167 | 95 |
| 322 | drug evaluation | 2 | 39 | 390 | 474 |
| 327 | Atherosclerosis | 1 | 38 | 102 | 95 |
| 328 | Neuropsychology | 2 | 37 | 571 | 715 |
| 328 | Radiation Oncology | 3 | 37 | 137 | 260 |
| 328 | Geriatric Pharmacology | 1 | 37 | 185 | 176 |
| 328 | Palliative Care | 9 | 37 | 108 | 401 |
| 328 | Cardiac electrophysiology | 1 | 37 | 180 | 191 |
| 328 | arrhythmia | 1 | 37 | 180 | 191 |
| 334 | Women's health | 5 | 36 | 169 | 445 |
| 335 | Medical Laboratory Science | 2 | 35 | 315 | 401 |
| 335 | Genetic epidemiology | 1 | 35 | 81 | 86 |
| 335 | Developmental Immunology | 1 | 35 | 106 | 153 |
| 335 | heredity | 1 | 35 | 111 | 93 |
| 339 | Audiology | 4 | 34 | 111 | 261 |
| 339 | Cardiopulmonary Resuscitation | 5 | 34 | 30 | 40 |
| 339 | cardiac arrest | 5 | 34 | 30 | 40 |
| 339 | Post-traumatic stress disorder | 2 | 34 | 114 | 201 |
| 343 | Drug design | 1 | 33 | 359 | 298 |
| 343 | gene therapy | 3 | 33 | 300 | 595 |
| 343 | peptides | 1 | 33 | 106 | 78 |
| 343 | proteins | 1 | 33 | 412 | 390 |
| 347 | Computer Graphics | 1 | 32 | 65 | 64 |
| 347 | Computer-Aided Design | 1 | 32 | 18 | 25 |
| 347 | Cognitive Therapy | 1 | 32 | 116 | 118 |
| 350 | Dentistry | 2 | 31 | 198 | 184 |
| 351 | Regeneration | 1 | 30 | 53 | 35 |
| 351 | Neuropharmacology | 1 | 30 | 255 | 226 |
| 353 | General Surgery | 7 | 29 | 177 | 495 |
| 353 | Hematopoietic stem cell transplantation | 1 | 29 | 183 | 233 |
| 353 | Antiviral agents | 2 | 29 | 163 | 245 |
| 356 | Cross-Cultural Studies | 2 | 28 | 135 | 159 |
| 356 | Immunogenetics | 1 | 28 | 387 | 396 |
| 356 | cross-cultural comparison | 2 | 28 | 139 | 171 |
| 356 | drug addiction | 2 | 28 | 226 | 385 |
| 356 | alcoholism | 2 | 28 | 330 | 511 |
| 361 | Exercise therapy | 1 | 27 | 47 | 46 |
| 361 | Neuromuscular diseases | 2 | 27 | 254 | 400 |
| 361 | biological factors | 2 | 27 | 235 | 373 |
| 361 | vascular diseases | 2 | 27 | 228 | 419 |
| 361 | Muscles | 2 | 27 | 354 | 577 |
| 366 | Pregnancy | 1 | 26 | 498 | 471 |
| 366 | Allergies | 1 | 26 | 104 | 115 |
| 368 | Telemedicine | 1 | 25 | 140 | 190 |
| 368 | Nutrition physiology | 4 | 25 | 51 | 185 |
| 368 | Histocompatibility Testing | 3 | 25 | 117 | 302 |
| 368 | Magnetic Resonance Spectroscopy | 2 | 25 | 112 | 184 |
| 368 | biomedicine | 1 | 25 | 150 | 219 |
| 373 | Food Safety | 1 | 24 | 9 | 15 |
| 373 | Travel | 4 | 24 | 107 | 291 |
| 373 | Health promotion | 2 | 24 | 162 | 261 |
| 373 | food industry | 1 | 24 | 37 | 27 |
| 377 | Histology | 1 | 23 | 572 | 661 |
| 377 | Molecular cloning | 2 | 23 | 325 | 518 |
| 377 | Genetic recombination | 2 | 23 | 321 | 511 |
| 377 | Substance Abuse | 2 | 23 | 264 | 430 |
| 377 | Hippocampus | 1 | 23 | 44 | 81 |
| 377 | Pituitary gland | 2 | 23 | 99 | 187 |
| 377 | Recombinant DNA | 2 | 23 | 365 | 586 |
| 384 | Database Management | 1 | 22 | 8 | 5 |
| 384 | Smoking | 1 | 22 | 162 | 233 |
| 386 | Patient Safety | 3 | 21 | 20 | 37 |
| 386 | feeding behavior | 1 | 21 | 124 | 193 |
| 386 | Appetite | 1 | 21 | 98 | 154 |
| 389 | Cytogenetics | 1 | 20 | 530 | 731 |
| 389 | Hemostasis | 2 | 20 | 387 | 614 |
| 389 | Pancreatic diseases | 2 | 20 | 167 | 301 |
| 392 | Immunochemistry | 1 | 19 | 382 | 430 |
| 392 | psychotherapy | 2 | 19 | 320 | 501 |
| 392 | Multiple sclerosis | 2 | 19 | 275 | 369 |
| 395 | Engineering Mathematics | 1 | 18 | 49 | 54 |
| 395 | Numerical Analysis | 1 | 18 | 47 | 62 |
| 395 | rare diseases | 1 | 18 | 501 | 591 |
| 395 | brain mapping | 1 | 18 | 205 | 303 |
| 395 | mathematical concepts | 1 | 18 | 47 | 55 |
| 400 | Anthropological Linguistics | 1 | 17 | 69 | 55 |
| 400 | Neurovirology | 2 | 17 | 46 | 135 |
| 400 | preventive medicine | 3 | 17 | 201 | 505 |
| 400 | Evidence-Based Medicine | 3 | 17 | 145 | 319 |
| 400 | Safety management | 2 | 17 | 80 | 172 |
| 400 | cell physiology | 1 | 17 | 502 | 702 |
| 400 | Familial diseases | 1 | 17 | 153 | 206 |
| 407 | Emerging infectious diseases | 2 | 16 | 109 | 278 |
| 407 | Brain | 1 | 16 | 1068 | 1274 |
| 407 | China | 2 | 16 | 345 | 464 |
| 410 | Language Disorders | 1 | 15 | 223 | 268 |
| 410 | Schizophrenia | 1 | 15 | 455 | 602 |
| 410 | speech therapy | 1 | 15 | 119 | 152 |
| 410 | Biofeedback | 1 | 15 | 16 | 28 |
| 410 | nuclear magnetic resonance | 1 | 15 | 153 | 204 |
| 410 | Speech Disorders | 1 | 15 | 306 | 365 |
| 410 | Cell cycle | 2 | 15 | 111 | 231 |
| 410 | cell proliferation | 2 | 15 | 121 | 247 |
| 410 | Communication Disorders | 1 | 15 | 94 | 115 |
| 410 | behavior therapy | 1 | 15 | 182 | 264 |
| 410 | biological evolution | 1 | 15 | 99 | 181 |
| 410 | Growth | 1 | 15 | 156 | 248 |
| 410 | Genes | 1 | 15 | 295 | 357 |
| 423 | Global Health | 2 | 14 | 245 | 415 |
| 423 | Ergonomics | 4 | 14 | 44 | 122 |
| 423 | Industrial Safety | 3 | 14 | 55 | 159 |
| 423 | Immunopathology | 2 | 14 | 614 | 1102 |
| 423 | Hemodynamics | 1 | 14 | 316 | 496 |
| 423 | Genetic Research | 1 | 14 | 79 | 115 |
| 423 | Brachytherapy | 2 | 14 | 79 | 163 |
| 423 | Communication in politics | 1 | 14 | 5 | 7 |
| 431 | Ecology | 1 | 13 | 443 | 674 |
| 431 | Environmental Engineering | 1 | 13 | 247 | 396 |
| 431 | Clinical Trials | 1 | 13 | 313 | 372 |
| 431 | Environmental Policy | 1 | 13 | 225 | 373 |
| 431 | Environmental Law | 1 | 13 | 204 | 350 |
| 431 | Neurotoxicology | 1 | 13 | 156 | 254 |
| 431 | Research Design | 1 | 13 | 372 | 504 |
| 431 | environmental protection | 1 | 13 | 362 | 484 |
| 431 | Environmental monitoring | 1 | 13 | 430 | 642 |
| 431 | Organ transplantation | 2 | 13 | 202 | 303 |
| 431 | Respiratory system | 2 | 13 | 294 | 605 |
| 431 | Social work | 3 | 13 | 107 | 302 |
| 443 | Lymphoma | 3 | 12 | 137 | 381 |
| 443 | Multiple Myeloma | 3 | 12 | 135 | 375 |
| 443 | Cell division | 1 | 12 | 114 | 207 |
| 443 | Child welfare | 4 | 12 | 53 | 225 |
| 443 | Retinal diseases | 1 | 12 | 33 | 18 |
| 443 | mental health promotion | 1 | 12 | 36 | 68 |
| 443 | phototherapy | 2 | 12 | 59 | 73 |
| 450 | Systems Engineering | 3 | 11 | 10 | 76 |
| 450 | Cybernetics | 3 | 11 | 30 | 135 |
| 450 | Dietetics | 2 | 11 | 212 | 402 |
| 450 | Technology | 1 | 11 | 202 | 297 |
| 450 | Chronic diseases | 2 | 11 | 212 | 517 |
| 455 | Social Sciences | 1 | 10 | 168 | 258 |
| 455 | Analytical Biochemistry | 1 | 10 | 300 | 414 |
| 455 | health behavior | 3 | 10 | 108 | 373 |
| 455 | ethnicity | 1 | 10 | 28 | 79 |
| 455 | health and race | 1 | 10 | 19 | 67 |
| 455 | ethnic groups | 1 | 10 | 16 | 65 |
| 455 | Hearing | 2 | 10 | 133 | 327 |
| 455 | family violence | 1 | 10 | 63 | 102 |
| 455 | child abuse | 1 | 10 | 215 | 318 |
| 455 | violence | 1 | 10 | 93 | 188 |
| 455 | hygiene | 1 | 10 | 85 | 170 |
| 466 | Behavioral research | 1 | 9 | 114 | 185 |
| 466 | Food preferences | 1 | 9 | 8 | 23 |
| 466 | prostaglandins | 1 | 9 | 151 | 250 |
| 469 | Nuclear Medicine | 4 | 8 | 320 | 788 |
| 469 | occupational diseases | 2 | 8 | 161 | 468 |
| 469 | Developmental Disabilities | 1 | 8 | 272 | 439 |
| 469 | ovary | 1 | 8 | 181 | 295 |
| 469 | Social support | 1 | 8 | 63 | 139 |
| 469 | Social environment | 1 | 8 | 64 | 140 |
| 475 | Pediatric Endocrinology | 2 | 7 | 179 | 329 |
| 475 | acupuncture | 2 | 7 | 89 | 158 |
| 475 | Metabolic disorders in children | 1 | 7 | 230 | 298 |
| 475 | primary prevention | 2 | 7 | 39 | 170 |
| 479 | Manufacturing Processes | 1 | 6 | 19 | 44 |
| 479 | Lung Transplantation | 3 | 6 | 174 | 442 |
| 479 | Oral Medicine | 2 | 6 | 163 | 386 |
| 479 | Quality Assurance | 1 | 6 | 69 | 157 |
| 479 | Molecular Imaging | 3 | 6 | 257 | 658 |
| 479 | Heart transplantation | 3 | 6 | 174 | 442 |
| 479 | Chromosome mapping | 1 | 6 | 422 | 626 |
| 479 | child behavior | 3 | 6 | 44 | 132 |
| 479 | polymerization | 1 | 6 | 199 | 291 |
| 479 | pharmaceutical industry | 1 | 6 | 80 | 180 |
| 479 | Coronary heart disease | 1 | 6 | 186 | 276 |
| 479 | gene mapping | 1 | 6 | 453 | 707 |
| 491 | Electrical Engineering | 1 | 5 | 45 | 69 |
| 491 | Computer Engineering | 1 | 5 | 3 | 32 |
| 491 | Ethics | 1 | 5 | 135 | 277 |
| 491 | Microbial Ecology | 1 | 5 | 274 | 488 |
| 491 | Evolutionary Genetics | 1 | 5 | 140 | 343 |
| 491 | Molecular Epidemiology | 1 | 5 | 140 | 343 |
| 491 | hospice care | 2 | 5 | 181 | 539 |
| 491 | Medical Ethics | 1 | 5 | 345 | 528 |
| 491 | Biofilms | 1 | 5 | 32 | 103 |
| 491 | Hemophilia | 1 | 5 | 320 | 477 |
| 491 | Cardiac rehabilitation | 1 | 5 | 28 | 91 |
| 491 | Family | 2 | 5 | 75 | 223 |
| 491 | families | 2 | 5 | 38 | 162 |
| 504 | Food Policy | 1 | 4 | 11 | 32 |
| 504 | Physical organic chemistry | 1 | 4 | 53 | 131 |
| 504 | Bioorganic chemistry | 1 | 4 | 321 | 500 |
| 504 | Turbulence | 1 | 4 | 2 | 3 |
| 504 | Steroids | 1 | 4 | 319 | 531 |
| 504 | world | 1 | 4 | 12 | 37 |
| 504 | Agriculture | 1 | 4 | 25 | 71 |
| 511 | Chemical Engineering | 1 | 3 | 297 | 423 |
| 511 | Occupational Health | 2 | 3 | 143 | 429 |
| 511 | School Psychology | 1 | 3 | 38 | 83 |
| 511 | Educational Psychology | 1 | 3 | 64 | 142 |
| 511 | Nuclear Chemistry | 1 | 3 | 54 | 80 |
| 511 | Radiochemistry | 1 | 3 | 55 | 81 |
| 511 | Erectile dysfunction | 1 | 3 | 156 | 317 |
| 511 | industrial hygiene | 2 | 3 | 96 | 287 |
| 511 | biobanks | 1 | 3 | 49 | 137 |
| 511 | patents | 1 | 3 | 11 | 22 |
| 511 | environmental exposure | 1 | 3 | 469 | 807 |
| 511 | disease outbreaks | 1 | 3 | 195 | 387 |
| 511 | Epidemics | 1 | 3 | 182 | 368 |
| 511 | Gastrointestinal diseases | 2 | 3 | 430 | 1128 |
| 525 | Psychoneuroimmunology | 2 | 2 | 156 | 451 |
| 525 | health services accessibility | 1 | 2 | 246 | 475 |
| 525 | Microcirculation | 1 | 2 | 196 | 384 |
| 525 | Neuroimmunology | 2 | 2 | 182 | 496 |
| 525 | Endocrine system | 4 | 2 | 258 | 457 |
| 530 | Anatomy | 1 | 1 | 394 | 732 |
| 530 | Data Mining | 1 | 1 | 168 | 369 |
| 530 | Social Psychology | 2 | 1 | 116 | 398 |
| 530 | Immunohematology | 1 | 1 | 43 | 100 |
| 530 | Maternal health services | 2 | 1 | 60 | 274 |
| 530 | Integrative Medicine | 1 | 1 | 180 | 352 |
| 530 | Blood group antigens | 1 | 1 | 39 | 87 |
| 530 | visualization | 1 | 1 | 429 | 434 |
| 530 | Teaching | 2 | 1 | 100 | 340 |
| 530 | data collection | 1 | 1 | 143 | 341 |
| 530 | environmental pollution | 1 | 1 | 365 | 634 |
| 530 | health planning | 1 | 1 | 297 | 598 |
| 530 | Pollution | 1 | 1 | 428 | 700 |
| 543 | Mobile Computing | 1 | 0 | 8 | 38 |
| 543 | Neurogenetics | 1 | 0 | 134 | 306 |
| 543 | Clinical Laboratory Science | 1 | 0 | 195 | 427 |
| 543 | Wireless Communication Systems | 1 | 0 | 14 | 53 |
| 543 | Alternative Medicine | 1 | 0 | 529 | 998 |
| 543 | Laser therapy | 1 | 0 | 237 | 456 |
| 543 | Genetic testing | 1 | 0 | 225 | 482 |
| 543 | Immunohistochemistry | 1 | 0 | 104 | 289 |
| 543 | complementary therapies | 1 | 0 | 572 | 1066 |
| 543 | locomotion | 1 | 0 | 230 | 423 |
| 543 | posture | 1 | 0 | 230 | 423 |
| 543 | Hearing Aids | 1 | 0 | 55 | 123 |
| 543 | Catholicism | 1 | 0 | 10 | 26 |
| 543 | Microwaves | 1 | 0 | 15 | 45 |
| 543 | Developing countries | 1 | 0 | 237 | 496 |
| 543 | gait | 1 | 0 | 230 | 423 |
| 543 | walking | 1 | 0 | 230 | 423 |